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प्रश्न
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
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उत्तर
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संबंधित प्रश्न
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
a wheelbarrow
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
How can you increase the mechanical advantage of a lever?
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
Wheel barrow
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
